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ChatMessagesHandling: Strip HTML of incoming messages.

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lain 2020-04-16 17:50:24 +02:00
parent 41fdcb7282
commit e983f70884
2 changed files with 5 additions and 0 deletions
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3
lib/pleroma/web/activity_pub/transmogrifier/chat_message_handling.ex
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@ -19,6 +19,9 @@ def handle_incoming(
{_, {:ok, object_cast_data_sym}} <- {_, {:ok, object_cast_data_sym}} <-
{:casting_object_data, object_data |> ChatMessageValidator.cast_and_apply()}, {:casting_object_data, object_data |> ChatMessageValidator.cast_and_apply()},
object_cast_data = ObjectValidator.stringify_keys(object_cast_data_sym), object_cast_data = ObjectValidator.stringify_keys(object_cast_data_sym),
# For now, just strip HTML
stripped_content = Pleroma.HTML.strip_tags(object_cast_data["content"]),
object_cast_data = object_cast_data |> Map.put("content", stripped_content),
{_, {:ok, validated_object, _meta}} <- {_, {:ok, validated_object, _meta}} <-
{:validate_object, ObjectValidator.validate(object_cast_data, %{})}, {:validate_object, ObjectValidator.validate(object_cast_data, %{})},
{_, {:ok, _created_object}} <- {:persist_object, Object.create(validated_object)}, {_, {:ok, _created_object}} <- {:persist_object, Object.create(validated_object)},

2
test/web/activity_pub/transmogrifier/chat_message_test.exs
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@ -56,7 +56,9 @@ test "it inserts it and creates a chat" do
assert activity.recipients == [recipient.ap_id, author.ap_id] assert activity.recipients == [recipient.ap_id, author.ap_id]
%Object{} = object = Object.get_by_ap_id(activity.data["object"]) %Object{} = object = Object.get_by_ap_id(activity.data["object"])
assert object assert object
assert object.data["content"] == "You expected a cute girl? Too bad. alert(&#39;XSS&#39;)"
end end
end end
end end